55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# Copyright 2014 Cloudscaling Group, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Common Auth Middleware.
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"""
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from oslo.config import cfg
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from ec2api.openstack.common import log as logging
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auth_opts = [
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cfg.BoolOpt('api_rate_limit',
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default=False,
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help='whether to use per-user rate limiting for the api.'),
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cfg.BoolOpt('use_forwarded_for',
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default=False,
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help='Treat X-Forwarded-For as the canonical remote address. '
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'Only enable this if you have a sanitizing proxy.'),
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]
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CONF = cfg.CONF
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CONF.register_opts(auth_opts)
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LOG = logging.getLogger(__name__)
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def pipeline_factory(loader, global_conf, **local_conf):
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"""A paste pipeline replica that keys off of auth_strategy."""
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auth_strategy = "keystone"
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pipeline = local_conf[auth_strategy]
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if not CONF.api_rate_limit:
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limit_name = auth_strategy + '_nolimit'
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pipeline = local_conf.get(limit_name, pipeline)
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pipeline = pipeline.split()
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filters = [loader.get_filter(n) for n in pipeline[:-1]]
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app = loader.get_app(pipeline[-1])
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filters.reverse()
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for fltr in filters:
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app = fltr(app)
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return app
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